The minimum positive period of the function y = 2sin2x is______ .
Because: y = 2sin2x = 1-cos2x, so: function minimum positive period T = 2 π 2 = π, so the answer: π
RELATED INFORMATIONS
- 1. What are the steps to prove that a function is periodic
- 2. The steps of finding a function period F (1-x) + F (1 + x) = 0, Y = f (x) is an even function What's the sixth step? I don't understand
- 3. Period of mathematical function What is the period of 2cosx / 2-3sinx / 3
- 4. Is that a period for a mathematical function? Which is the image?
- 5. If there is no real element in the solution set of equation x ^ 2-2x + 2A = 0, find the straight range of real element a
- 6. Test questions of mathematical function in grade one of senior high school Given that there is a point P (- radical 3, m) on the terminal edge of angle θ, and sin θ = 4 / 4 radical 2 m, the value of cos θ = Tan θ is obtained
- 7. The known function f (x) = 3-4asinxcosx + 4cos & sup2; x-4 (cosx) ^ 4 1. If a = 1, find the maximum and minimum of F (x) 2. If the minimum value of function f (x) is 1, find the value of A
- 8. Several mathematical function problems 1. Function y = the square of X / the square of X + 1, X belongs to real number, find the function range 2. The maximum value of function y = 1 / 1-x (1-x) 3. If the square of function y = x + AX-1 has the minimum value - 2 in the interval [0,3], then the real number a is equal to? 4.2lg (X-Y) = lgx + lgY, then Y / x equals?
- 9. A mathematical function problem If the line y = (1 + M & sup2;) x + B intersects the X axis at P (- 5,0), then___ When y > 0___ Y < 0
- 10. A proof of mathematical function Let an implicit function satisfy f (x, y) = f (y, x) = K (k is a constant) It is proved that the explicit function y = f (x) determined by F (x, y) = k must satisfy f (x) = F-1 (x)
- 11. If the sum of the minimum positive periods of function y = sin ω X and function y = Tan ω x (ω > 0) is π, then ω=______ .
- 12. Finding the minimum positive period of function {process} FX=sin{2x+PI/6}+sin{2x-pi/6}+cos2x
- 13. The function with period 2 is () A. y=2cos2πx-1B. y=sin2πx+cosπxC. y=tan(π2x+π3)D. y=sinπxcosπx
- 14. Find the period of the following functions: (1) y = sin23x, X ∈ R; (2) y = 12cos4x, X ∈ R
- 15. Find the following periodic functions 1. Y = sin3x / 4, X ∈ R 2. Y = cos4x, X ∈ R
- 16. It takes 26 seconds for a train to pass the 396 meter bridge and 18 seconds to pass the 252 meter tunnel. How long is the train's body?
- 17. The perimeter of the rectangle is 19.4 meters. The length is 0.8 meters less than twice the width. How many meters are the length and width of the rectangle?
- 18. The children in the big class of kindergarten made 32 flowers, among which the red flower was three times as much as the yellow flower. How much did the children make the red flower and the yellow flower
- 19. As shown in the figure, in the diamond ABCD, ∠ ADC = 120 °, then BD: AC equals () A. 3:2B. 3:3C. 1:2D. 3:1
- 20. How to prove the limit of n-th root of n is 1 by definition